<?php
$combined = array(
'A' => array(
'B' => array(
'C' => array(1, null),
),
'D' => array(
'K' => array(null, null),
)
),
);
function _nullifyEmpty(array $array)
{
$nulls = 0;
foreach ($array as $key => $value) {
if (is_array($value)) {
$array[$key] = _nullifyEmpty($value);
} elseif (null === $value) {
++$nulls;
}
}
if ($nulls === count($array)) {
return null;
}
return $array;
}
print_r(_nullifyEmpty($combined));
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Array
(
[A] => Array
(
[B] => Array
(
[C] => Array
(
[0] => 1
[1] =>
)
)
[D] => Array
(
[K] =>
)
)
)
- Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/WNuIG on line 13
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/WNuIG on line 13
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
- Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/WNuIG on line 13
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/WNuIG on line 13
Process exited with code 255.
preferences:
211.47 ms | 401 KiB | 397 Q